Cisco devices (like the Catalyst 2960-X, 3650, 3850, ISR G2/G3 routers, and newer) often come with a Type-B mini or micro USB console port. This allows you to manage the device using a standard USB cable instead of the traditional blue serial console cable.
To make this work, your computer needs to recognize the Cisco device as a virtual COM port. That is what this driver does. cisco usb console driver 3.1
Recent macOS versions (Catalina and later) dropped support for many FTDI chips. To emulate the behavior of driver 3.1: Cisco devices (like the Catalyst 2960-X, 3650, 3850,
Even with the correct driver, issues arise. Here is a troubleshooting matrix for version 3.1. Cisco devices (like the Catalyst 2960-X